155341540 has 48 divisors (see below), whose sum is σ = 349638912. Its totient is φ = 57822336.

The previous prime is 155341519. The next prime is 155341541. The reversal of 155341540 is 45143551.

It is a junction number, because it is equal to n+sod(n) for n = 155341499 and 155341508.

It is not an unprimeable number, because it can be changed into a prime (155341541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12457 + ... + 21583.

It is an arithmetic number, because the mean of its divisors is an integer number (7284144).

Almost surely, 2^155341540 is an apocalyptic number.

155341540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155341540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174819456).

155341540 is an abundant number, since it is smaller than the sum of its proper divisors (194297372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155341540 is a wasteful number, since it uses less digits than its factorization.

155341540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196 (or 9194 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 155341540 is about 12463.6086267180. The cubic root of 155341540 is about 537.5627934571.

The spelling of 155341540 in words is "one hundred fifty-five million, three hundred forty-one thousand, five hundred forty".